US 11,684,986 B2
Pipe threading mechanisms and systems
Scott Kruepke, Valley City, OH (US); Seth B. Bullock, Cleveland, OH (US); Glen R. Chartier, Avon Lake, OH (US); and Harald Krondorfer, Aurora, OH (US)
Assigned to Ridge Tool Company, Elyria, OH (US)
Filed by Ridge Tool Company, Elyria, OH (US)
Filed on Dec. 18, 2020, as Appl. No. 17/126,253.
Prior Publication US 2022/0193804 A1, Jun. 23, 2022
Int. Cl. B23G 1/46 (2006.01); B23G 1/52 (2006.01); B23G 1/24 (2006.01)
CPC B23G 1/46 (2013.01) [B23G 1/24 (2013.01); B23G 1/52 (2013.01); B23G 2200/08 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A power drive tool comprising:
a tool body;
a tool head portion extending from the tool body, the tool head portion defining an axially accessible tool opening, the tool head portion including a cylindrical wall concentrically and rotatably supported in the tool opening;
at least one threading pawl radially positionable to extend into the tool opening;
at least one release pawl radially positionable to extend into the tool opening;
a drive ring rotatably mounted on the tool head portion, the drive ring engaged with the at least one threading pawl and the at least one release pawl and rotatably positionable between (i) a first position in which the at least one threading pawl extends into the tool opening, and (ii) a second position in which the at least one threading pawl is retracted from extending into the tool opening and the at least one release pawl extends into the tool opening.